His star sign is Libra. Guanlin, Minhyun, and Jaehwan’s blood type is O. He was born in the Year of the Snake. At 181 cm or 5'11½", he and Minhyun are Wanna One’s tallest members. They’re taller than the shortest member, Sungwoon, by 13 cm.

He and Daehwi can speak English. He used to live in Los Angeles, California, USA, where he went by Edward Lai. He’s Taiwanese and can speak Mandarin. He has an older sister. He comes from a wealthy family.

He was a trainee for 6 months. He competed on “Produce 101” and made it into the top 11, which enabled him to debut in Wanna One. He ranked in 7th place with 905,875 votes.

He shared a room with Woojin, Jaehwan, Jihoon, and Minhyun. During his trainee days at Cube, he became close to Pentagon’s Wooseok.

His legs are 111 cm long (44 inches). He likes basketball and used to play as a small forward.